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Ratling [72]
3 years ago
5

What is a useful first step in assessing potential environmental health risks in a community? a.Conduct risk assessments of sele

ct individuals b.Survey community members Review c.Environmental Protection Agency (EPA) reports d.Perform a windshield survey
Biology
1 answer:
emmasim [6.3K]3 years ago
5 0

Answer: d. Perform a windshield survey

Explanation:

Environmental health risks include air pollution, disease vectors, lack of water and inadequate sanitation, electronic waste, and chemical hazards.

Conducting a windshield survey is a valuable first step in identifying possible safety threats to the environment. This offers first-hand neighbourhood information and areas of concern which need to be investigated.

Hence, the correct option is d.

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If the first trophic level in an energy pyramid receives 1,000 units of energy from the Sun, how much energy is available for th
yanalaym [24]

Answer:

10 units

Explanation:

Energy is transferred from organism to organism in an ecosystem when they feed on one another. However, based on the pyramid of energy, only about 10% of energy is transferred from one organism to another because a bulk of energy (about 90%) has been lost to metabolic activities.

Energy moves from producers to consumers, each occupying trophic levels. If the first trophic level in an energy pyramid receives 1,000 units of energy from the sun,

- 10% of 1000units will be available for the second trophic level i.e. 10/100 × 1000 = 100units

- 10% of 100units will be available for the third trophic level i.e. 10/100 × 100 = 10units

Hence, 10units of energy is available for the third trophic level.

8 0
3 years ago
What structure forms during angiosperm fertilization but does not form during fertilization among other types of plants?
Pepsi [2]
A triploid  cell   is  the    structure   form   during  angoisperm  fertilization. The   cell  are created   in  the  process  known   as  double   fertilization  into   the  endosperm   which  is   mostly   are    polyploid. These  are  typicallly  triploids   that  is  they   contain  three  sets  of  chromosomes   but  they   varies  widely  from   diploid  (2n)  to   15N.
3 0
3 years ago
Come all bad girls to see and show <br><br>crv-nvus-ani​
AlladinOne [14]

Answer:

are you nice girls or not

6 0
2 years ago
What kind of energy heats our school in winter?
LiRa [457]
Thermal energy/ heat energy
4 0
3 years ago
Which of these models would best represent the Big Bang Theory?
Ipatiy [6.2K]
Answer: A

Explanation:
The Big Bang theory is basically how the world was created, or sometimes known as the sun exploding. This would be the same example of a balloon being popped.
8 0
3 years ago
Read 2 more answers
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